340221141020420 has 96 divisors (see below), whose sum is σ = 821705654891520. Its totient is φ = 117024216186240.

The previous prime is 340221141020377. The next prime is 340221141020483. The reversal of 340221141020420 is 24020141122043.

It is a self number, because there is not a number n which added to its sum of digits gives 340221141020420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60195554 + ... + 65604473.

It is an arithmetic number, because the mean of its divisors is an integer number (8559433905120).

Almost surely, 2^{340221141020420} is an apocalyptic number.

It is an amenable number.

340221141020420 is an abundant number, since it is smaller than the sum of its proper divisors (481484513871100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340221141020420 is a wasteful number, since it uses less digits than its factorization.

340221141020420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125800713 (or 125800711 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 340221141020420 its reverse (24020141122043), we get a palindrome (364241282142463).

The spelling of 340221141020420 in words is "three hundred forty trillion, two hundred twenty-one billion, one hundred forty-one million, twenty thousand, four hundred twenty".